package com.bff.gaia.mix.api.xjoin2.core.utils;/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import com.bff.gaia.api.common.typeinfo.BasicTypeInfo;
import com.bff.gaia.api.common.typeinfo.SqlTimeTypeInfo;
import com.bff.gaia.api.common.typeinfo.TypeInformation;

/**
 * Project Name: gaia-parent
 * Description:
 * Data: 2019/7/23 19:54
 * Company: NEU
 *
 * @author tiger
 * @version v1.0
 */
public class TypeInformationUtil {
	public static TypeInformation<?> stringConvertTypeInformation(String str) {
		switch (str.toLowerCase()) {
			case "boolean":
				return BasicTypeInfo.BOOLEAN_TYPE_INFO;

			case "integer":
			case "int":
				return BasicTypeInfo.INT_TYPE_INFO;

			case "tinyint":
				return BasicTypeInfo.BYTE_TYPE_INFO;

			case "bigint":
				return BasicTypeInfo.BIG_INT_TYPE_INFO;

			case "smallint":
				return BasicTypeInfo.SHORT_TYPE_INFO;

			case "varchar":
			case "char":
			case "string":
				return BasicTypeInfo.STRING_TYPE_INFO;

			case "real":
			case "float":
				return BasicTypeInfo.FLOAT_TYPE_INFO;

			case "double":
				return BasicTypeInfo.DOUBLE_TYPE_INFO;

			case "time":
				return SqlTimeTypeInfo.TIME;

			case "date":
				return SqlTimeTypeInfo.DATE;

			case "timestamp":
				return SqlTimeTypeInfo.TIMESTAMP;

			case "decimal":
				return BasicTypeInfo.BIG_DEC_TYPE_INFO;

		}

		throw new RuntimeException("不支持 " + str + " 类型");
	}
}